12201331133212 has 24 divisors (see below), whose sum is σ = 22995564692576. Its totient is φ = 5631200336448.

The previous prime is 12201331133177. The next prime is 12201331133227. The reversal of 12201331133212 is 21233113310221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2198208 + ... + 5406919.

Almost surely, 2^{12201331133212} is an apocalyptic number.

It is an amenable number.

12201331133212 is a deficient number, since it is larger than the sum of its proper divisors (10794233559364).

12201331133212 is a wasteful number, since it uses less digits than its factorization.

12201331133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7635997 (or 7635995 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12201331133212 its reverse (21233113310221), we get a palindrome (33434444443433).

The spelling of 12201331133212 in words is "twelve trillion, two hundred one billion, three hundred thirty-one million, one hundred thirty-three thousand, two hundred twelve".